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Fix server-side EndOfStreamException and CancelledKeyExceptions warnings #54

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Fix server-side EndOfStreamException and CancelledKeyExceptions warnings #54

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55 changes: 55 additions & 0 deletions ext/patches/zkc-3.4.5-close.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
--- zkc-3.4.5-orig/c/src/zookeeper.c 2012-09-30 17:53:32.000000000 +0000
+++ zkc-3.4.5/c/src/zookeeper.c 2013-11-19 02:44:03.048051154 +0000
@@ -2473,6 +2473,43 @@
return add_completion(zh, xid, COMPLETION_MULTI, dc, data, 0,0, clist);
}

+static int wait_for_close(zhandle_t *zh)
+{
+ /* [ZOOKEEPER-1237] wait for the response before terminating */
+ int rc = ZOK;
+#ifndef WIN32
+ struct pollfd pfd;
+ struct timeval tv;
+ int fd;
+ int interest;
+ int timeout;
+
+ zookeeper_interest(zh, &fd, &interest, &tv);
+ if (fd == -1) {
+ LOG_DEBUG(("wait_for_close() zookeeper_interest fd == -1\n"));
+ return ZOK;
+ }
+
+ pfd.fd=fd;
+ pfd.events = (interest & ZOOKEEPER_READ) ? POLLIN : 0;
+ pfd.events |= (interest & ZOOKEEPER_WRITE) ? POLLOUT : 0;
+
+ timeout=tv.tv_sec * 1000 + (tv.tv_usec/1000);
+
+ rc = poll(&pfd, 1, timeout);
+ if (rc < 1) {
+ LOG_DEBUG(("wait_for_close() poll() returned: %d\n", rc));
+ return ZOK;
+ }
+
+ interest = (pfd.revents & POLLIN) ? ZOOKEEPER_READ : 0;
+ interest |= ((pfd.revents & POLLOUT) || (pfd.revents & POLLHUP)) ? ZOOKEEPER_WRITE : 0;
+ rc = zookeeper_process(zh, interest) == ZINVALIDSTATE ? ZOK : rc;
+#endif
+ LOG_DEBUG(("wait_for_close() returning: %d\n", rc));
+ return rc;
+}
+
int zookeeper_close(zhandle_t *zh)
{
int rc=ZOK;
@@ -2517,6 +2554,8 @@
/* make sure the close request is sent; we set timeout to an arbitrary
* (but reasonable) number of milliseconds since we want the call to block*/
rc=adaptor_send_queue(zh, 3000);
+
+ rc = wait_for_close(zh);
}else{
LOG_INFO(("Freeing zookeeper resources for sessionId=%#llx\n",
zh->client_id.client_id));